15641290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 33131592

約数和(自身を除く): 17490302

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 137, 233, 245, 274, 466, 490, 685, 959, 1165, 1370, 1631, 1918, 2330, 3262, 4795, 6713, 8155, 9590, 11417, 13426, 16310, 22834, 31921, 33565, 57085, 63842, 67130, 114170, 159605, 223447, 319210, 446894, 1117235, 1564129, 2234470, 3128258, 7820645, 15641290]

約数ペア:

[(1, 15641290), (2, 7820645), (5, 3128258), (7, 2234470), (10, 1564129), (14, 1117235), (35, 446894), (49, 319210), (70, 223447), (98, 159605), (137, 114170), (233, 67130), (245, 63842), (274, 57085), (466, 33565), (490, 31921), (685, 22834), (959, 16310), (1165, 13426), (1370, 11417), (1631, 9590), (1918, 8155), (2330, 6713), (3262, 4795)]